The Masters of the House — Robert Barnard

In the late winter of 1979, Leeds housewife Ellen Heenan dies in childbirth -- abandoning a guilt-stricken husband to insanity's grasp and leaving four young children to fend for themselves.

Thirteen-year-old Matthew and Annie, age twelve, know what the authorities will do if they learn of Father's debilitating madness. A close-knit family will be speedily unravelled, its threads scattered carelessly to the winds. So deception is the only recourse -- a facade of normalcy that must be carefully constructed to fool prying neighborhood eyes. And resourceful young Matthew and his sister have the situation well in hand -- until a freshly slain corpse turns up beneath the kitchen window...